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  1. IBM AS/400 - Wikipedia

    The IBM AS/400 (Application System/400) is a family of midrange computers from IBM announced in June 1988 and released in August 1988. It was the successor to the System/36 …

  2. The AS/400 | IBM

    The AS/400 line was built on two core assets: the industry’s most powerful microchips and a fast token ring network, the system that allowed servers, computers and peripheral devices to …

  3. IBM AS400: A Powerful Platform for Enterprise Computing (and

    2 days ago · IBM AS400 originally referred to IBM’s “Application System/400” - a midrange enterprise platform introduced to help businesses run critical workloads with less complexity …

  4. IBM iSeries AS400 Guide | Srinsoft Technologies

    AS400 is a combination of hardware, operating system (IBM i), database (DB2 for i) and middleware. This leads to better management of the system and performance without having …

  5. Exploring IBM AS400: The Backbone of Enterprise Ap

    Aug 4, 2025 · IBM AS400, or Application System/400, is a midrange computer system developed by IBM for small to medium-sized enterprises and departments of larger corporations. It was …

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    • IBM iSeries/AS400 Systems Timeline | Evolution & Milestones

      Feb 4, 2025 · Explore the complete timeline of IBM iSeries/AS400 systems, from its inception to modern advancements. Learn how IBM i has evolved to meet enterprise needs.

    • ISeries: Your All-Time Guide To The AS/400

      Dec 4, 2025 · Unveiling the iSeries: A Deep Dive into its History and Evolution Okay, guys, let’s rewind the clock a bit and talk about the iSeries’s origins. The AS/400 (Application …

    • What Is AS/400 (IBM i)? - Ximple Solutions

      Feb 16, 2022 · In 2000, AS/400 was called the eServer iSeries. In 2006, it became IBM System I. In 2008, it changed to IBM Power Systems. The first IBM AS400 computer system emerged in …

    • History of the AS/400

      In 2000 IBM changed the AS/400 name to “eServer iSeries” and the OS to “i5/OS”. And again in 2006, as part of IBM’s Systems branding initiative, the hardware was renamed to “System i” …

    • what is an as400 computer system? (unlocking legacy power)

      but what exactly is an as400? the as400, short for “application system/400,” is a family of midrange computers from ibm. officially known today as ibm iseries or simply ibm i, the system …